1. Let G be any group. Show that the function f: GG defined by f(x) = x² is group homomorphism if and only if G is an abelian group.
1. Let G be any group. Show that the function f: GG defined by f(x) = x² is group homomorphism if and only if G is an abelian group.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter3: Groups
Section3.3: Subgroups
Problem 12E: Prove or disprove that H={ hGh1=h } is a subgroup of the group G if G is abelian.
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